Abhinav Bharat Society was a secret society of revolutionaries. It was established in __________.

Correct option is A

The Abhinav Bharat Society was a secret society of revolutionaries established in Bombay Presidency in 1904. It was founded by Vinayak Damodar Savarkar and his brother Ganesh Damodar Savarkar.
The society was initially founded at Nasik as "Mitra Mela" when Vinayak Savarkar was still a student at the Fergusson College in Pune. It grew to include several hundred revolutionaries as well as political activists with branches in various parts of India, extending to London after Savarkar went to study law.
The society carried out a few assassinations of British officials, after which the Savarkar brothers were convicted and imprisoned. The society was formally disbanded in 1952.